JP6152264B2 - ライトユニット及びそれを用いた照明システム - Google Patents

ライトユニット及びそれを用いた照明システム Download PDF

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Publication number
JP6152264B2
JP6152264B2 JP2012278232A JP2012278232A JP6152264B2 JP 6152264 B2 JP6152264 B2 JP 6152264B2 JP 2012278232 A JP2012278232 A JP 2012278232A JP 2012278232 A JP2012278232 A JP 2012278232A JP 6152264 B2 JP6152264 B2 JP 6152264B2
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JP
Japan
Prior art keywords
region
bottom plate
reflection
reflection region
area
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Expired - Fee Related
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JP2012278232A
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English (en)
Japanese (ja)
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JP2013131499A5 (enExample
JP2013131499A (ja
Inventor
イ・ジイン
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
LG Innotek Co Ltd
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LG Innotek Co Ltd
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Publication date
Application filed by LG Innotek Co Ltd filed Critical LG Innotek Co Ltd
Publication of JP2013131499A publication Critical patent/JP2013131499A/ja
Publication of JP2013131499A5 publication Critical patent/JP2013131499A5/ja
Application granted granted Critical
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Expired - Fee Related legal-status Critical Current
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    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F21—LIGHTING
    • F21V—FUNCTIONAL FEATURES OR DETAILS OF LIGHTING DEVICES OR SYSTEMS THEREOF; STRUCTURAL COMBINATIONS OF LIGHTING DEVICES WITH OTHER ARTICLES, NOT OTHERWISE PROVIDED FOR
    • F21V7/00—Reflectors for light sources
    • F21V7/22—Reflectors for light sources characterised by materials, surface treatments or coatings, e.g. dichroic reflectors
    • F21V7/24—Reflectors for light sources characterised by materials, surface treatments or coatings, e.g. dichroic reflectors characterised by the material
    • G—PHYSICS
    • G02—OPTICS
    • G02F—OPTICAL DEVICES OR ARRANGEMENTS FOR THE CONTROL OF LIGHT BY MODIFICATION OF THE OPTICAL PROPERTIES OF THE MEDIA OF THE ELEMENTS INVOLVED THEREIN; NON-LINEAR OPTICS; FREQUENCY-CHANGING OF LIGHT; OPTICAL LOGIC ELEMENTS; OPTICAL ANALOGUE/DIGITAL CONVERTERS
    • G02F1/00—Devices or arrangements for the control of the intensity, colour, phase, polarisation or direction of light arriving from an independent light source, e.g. switching, gating or modulating; Non-linear optics
    • G02F1/01—Devices or arrangements for the control of the intensity, colour, phase, polarisation or direction of light arriving from an independent light source, e.g. switching, gating or modulating; Non-linear optics for the control of the intensity, phase, polarisation or colour 
    • G02F1/13—Devices or arrangements for the control of the intensity, colour, phase, polarisation or direction of light arriving from an independent light source, e.g. switching, gating or modulating; Non-linear optics for the control of the intensity, phase, polarisation or colour  based on liquid crystals, e.g. single liquid crystal display cells
    • G02F1/133—Constructional arrangements; Operation of liquid crystal cells; Circuit arrangements
    • G02F1/1333—Constructional arrangements; Manufacturing methods
    • G02F1/1335—Structural association of cells with optical devices, e.g. polarisers or reflectors
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F21—LIGHTING
    • F21V—FUNCTIONAL FEATURES OR DETAILS OF LIGHTING DEVICES OR SYSTEMS THEREOF; STRUCTURAL COMBINATIONS OF LIGHTING DEVICES WITH OTHER ARTICLES, NOT OTHERWISE PROVIDED FOR
    • F21V7/00—Reflectors for light sources
    • F21V7/0025—Combination of two or more reflectors for a single light source
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F21—LIGHTING
    • F21V—FUNCTIONAL FEATURES OR DETAILS OF LIGHTING DEVICES OR SYSTEMS THEREOF; STRUCTURAL COMBINATIONS OF LIGHTING DEVICES WITH OTHER ARTICLES, NOT OTHERWISE PROVIDED FOR
    • F21V7/00—Reflectors for light sources
    • F21V7/22—Reflectors for light sources characterised by materials, surface treatments or coatings, e.g. dichroic reflectors
    • F21V7/28—Reflectors for light sources characterised by materials, surface treatments or coatings, e.g. dichroic reflectors characterised by coatings
    • G—PHYSICS
    • G02—OPTICS
    • G02B—OPTICAL ELEMENTS, SYSTEMS OR APPARATUS
    • G02B6/00—Light guides; Structural details of arrangements comprising light guides and other optical elements, e.g. couplings
    • G02B6/0001—Light guides; Structural details of arrangements comprising light guides and other optical elements, e.g. couplings specially adapted for lighting devices or systems
    • G02B6/0011—Light guides; Structural details of arrangements comprising light guides and other optical elements, e.g. couplings specially adapted for lighting devices or systems the light guides being planar or of plate-like form
    • G02B6/0033—Means for improving the coupling-out of light from the light guide
    • G02B6/005—Means for improving the coupling-out of light from the light guide provided by one optical element, or plurality thereof, placed on the light output side of the light guide
    • G02B6/0055—Reflecting element, sheet or layer
    • G—PHYSICS
    • G02—OPTICS
    • G02F—OPTICAL DEVICES OR ARRANGEMENTS FOR THE CONTROL OF LIGHT BY MODIFICATION OF THE OPTICAL PROPERTIES OF THE MEDIA OF THE ELEMENTS INVOLVED THEREIN; NON-LINEAR OPTICS; FREQUENCY-CHANGING OF LIGHT; OPTICAL LOGIC ELEMENTS; OPTICAL ANALOGUE/DIGITAL CONVERTERS
    • G02F1/00—Devices or arrangements for the control of the intensity, colour, phase, polarisation or direction of light arriving from an independent light source, e.g. switching, gating or modulating; Non-linear optics
    • G02F1/01—Devices or arrangements for the control of the intensity, colour, phase, polarisation or direction of light arriving from an independent light source, e.g. switching, gating or modulating; Non-linear optics for the control of the intensity, phase, polarisation or colour 
    • G02F1/13—Devices or arrangements for the control of the intensity, colour, phase, polarisation or direction of light arriving from an independent light source, e.g. switching, gating or modulating; Non-linear optics for the control of the intensity, phase, polarisation or colour  based on liquid crystals, e.g. single liquid crystal display cells
    • G02F1/133—Constructional arrangements; Operation of liquid crystal cells; Circuit arrangements
    • G02F1/1333—Constructional arrangements; Manufacturing methods
    • G02F1/1335—Structural association of cells with optical devices, e.g. polarisers or reflectors
    • G02F1/1336—Illuminating devices
    • G02F1/133602—Direct backlight
    • G02F1/133605—Direct backlight including specially adapted reflectors
    • G—PHYSICS
    • G02—OPTICS
    • G02F—OPTICAL DEVICES OR ARRANGEMENTS FOR THE CONTROL OF LIGHT BY MODIFICATION OF THE OPTICAL PROPERTIES OF THE MEDIA OF THE ELEMENTS INVOLVED THEREIN; NON-LINEAR OPTICS; FREQUENCY-CHANGING OF LIGHT; OPTICAL LOGIC ELEMENTS; OPTICAL ANALOGUE/DIGITAL CONVERTERS
    • G02F1/00—Devices or arrangements for the control of the intensity, colour, phase, polarisation or direction of light arriving from an independent light source, e.g. switching, gating or modulating; Non-linear optics
    • G02F1/01—Devices or arrangements for the control of the intensity, colour, phase, polarisation or direction of light arriving from an independent light source, e.g. switching, gating or modulating; Non-linear optics for the control of the intensity, phase, polarisation or colour 
    • G02F1/13—Devices or arrangements for the control of the intensity, colour, phase, polarisation or direction of light arriving from an independent light source, e.g. switching, gating or modulating; Non-linear optics for the control of the intensity, phase, polarisation or colour  based on liquid crystals, e.g. single liquid crystal display cells
    • G02F1/133—Constructional arrangements; Operation of liquid crystal cells; Circuit arrangements
    • G02F1/1333—Constructional arrangements; Manufacturing methods
    • G02F1/1335—Structural association of cells with optical devices, e.g. polarisers or reflectors
    • G02F1/1336—Illuminating devices
    • G02F1/133615—Edge-illuminating devices, i.e. illuminating from the side

Landscapes

  • Engineering & Computer Science (AREA)
  • General Engineering & Computer Science (AREA)
  • Physics & Mathematics (AREA)
  • Nonlinear Science (AREA)
  • Mathematical Physics (AREA)
  • Chemical & Material Sciences (AREA)
  • Crystallography & Structural Chemistry (AREA)
  • General Physics & Mathematics (AREA)
  • Optics & Photonics (AREA)
  • Planar Illumination Modules (AREA)
JP2012278232A 2011-12-20 2012-12-20 ライトユニット及びそれを用いた照明システム Expired - Fee Related JP6152264B2 (ja)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
KR10-2011-0138082 2011-12-20
KR1020110138082A KR101943446B1 (ko) 2011-12-20 2011-12-20 디스플레이 장치 및 조명 시스템

Publications (3)

Publication Number Publication Date
JP2013131499A JP2013131499A (ja) 2013-07-04
JP2013131499A5 JP2013131499A5 (enExample) 2016-01-21
JP6152264B2 true JP6152264B2 (ja) 2017-06-21

Family

ID=47605331

Family Applications (1)

Application Number Title Priority Date Filing Date
JP2012278232A Expired - Fee Related JP6152264B2 (ja) 2011-12-20 2012-12-20 ライトユニット及びそれを用いた照明システム

Country Status (6)

Country Link
US (1) US9322527B2 (enExample)
EP (1) EP2607780A1 (enExample)
JP (1) JP6152264B2 (enExample)
KR (1) KR101943446B1 (enExample)
CN (1) CN103175030B (enExample)
TW (1) TWI582351B (enExample)

Families Citing this family (24)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US8905610B2 (en) 2009-01-26 2014-12-09 Flex Lighting Ii, Llc Light emitting device comprising a lightguide film
US9651729B2 (en) 2010-04-16 2017-05-16 Flex Lighting Ii, Llc Reflective display comprising a frontlight with extraction features and a light redirecting optical element
WO2012068543A1 (en) 2010-11-18 2012-05-24 Flex Lighting Ii, Llc Light emitting device comprising a lightguide film and aligned coupling lightguides
KR101664422B1 (ko) 2013-01-23 2016-10-10 엘지전자 주식회사 평면 조명 장치
US11009646B2 (en) 2013-03-12 2021-05-18 Azumo, Inc. Film-based lightguide with interior light directing edges in a light mixing region
EP3025089A1 (en) * 2013-07-04 2016-06-01 Koninklijke Philips N.V. Light-emitting device
EP3090203A1 (en) * 2013-11-20 2016-11-09 Philips Lighting Holding B.V. Method and apparatus for uniform illumination of a surface
WO2016068592A1 (en) 2014-10-31 2016-05-06 Lg Electronics Inc. Backlight unit and display device having backlight unit
KR102609364B1 (ko) * 2015-12-23 2023-12-04 삼성전자주식회사 디스플레이 장치
US10317732B2 (en) * 2015-12-23 2019-06-11 Samsung Electronics Co., Ltd. Display apparatus with backlight unit
KR102493918B1 (ko) * 2016-03-09 2023-02-01 삼성전자주식회사 디스플레이 장치
WO2017194315A1 (en) * 2016-05-12 2017-11-16 Lumileds Holding B.V. Lighting arrangement with a light guide
KR101651656B1 (ko) * 2016-05-24 2016-08-29 이피코리아㈜ 조명 장치
WO2018019794A1 (en) 2016-07-25 2018-02-01 Koninklijke Philips N.V. A light emitting arrangement for anti-fouling of a protected surface
EP3301355B1 (fr) * 2016-09-28 2024-01-10 Valeo Vision Procédé d' obtention d'un ensemble de diffusion de lumière, notamment pour véhicule automobile
WO2019090139A1 (en) * 2017-11-03 2019-05-09 Flex Lighting Ii, Llc Light emitting device with film-based lightguide and added reflecting surfaces
JP7020075B2 (ja) * 2017-11-22 2022-02-16 富士フイルムビジネスイノベーション株式会社 画像処理装置及びプログラム
WO2020047340A1 (en) 2018-08-30 2020-03-05 Flex Lighting Ii, Llc Film-based frontlight with angularly varying diffusion film
EP3894917A4 (en) 2018-12-11 2022-07-13 Azumo, Inc. FRONT ILLUMINATED LIGHT GUIDE WITH DIFFUSE REFLECTIVE NON-STICK COATING
CN113678035B (zh) 2019-01-03 2024-10-18 阿祖莫公司 包括产生多个照明峰值的光导和光转向膜的反射型显示器
EP3908866A4 (en) 2019-01-09 2022-10-05 Azumo, Inc. REFLECTIVE DISPLAY INCLUDING COUPLING LIGHT GUIDES BENT AT DIFFERENT BENDING ANGLES
US11513274B2 (en) 2019-08-01 2022-11-29 Azumo, Inc. Lightguide with a light input edge between lateral edges of a folded strip
CN111795364A (zh) * 2020-08-06 2020-10-20 深圳市几何光学技术有限公司 背板、灯具框架以及led灯具
DE102024202720A1 (de) * 2024-03-21 2025-09-25 Stellantis Auto Sas Beleuchtungseinrichtung für ein Kraftfahrzeug

Family Cites Families (14)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH04314089A (ja) * 1991-04-12 1992-11-05 Matsushita Electric Works Ltd 誘導灯
JP2004095390A (ja) * 2002-08-30 2004-03-25 Fujitsu Display Technologies Corp 照明装置及び表示装置
JP4133663B2 (ja) * 2003-07-30 2008-08-13 三菱電機株式会社 面状光源装置および該装置を備えた表示装置
JP2005216693A (ja) * 2004-01-30 2005-08-11 Harison Toshiba Lighting Corp バックライト
TWI255322B (en) * 2005-03-10 2006-05-21 Au Optronics Corp Backlight module
TWI467283B (zh) * 2007-05-20 2015-01-01 3M Innovative Properties Co 具有半反射鏡組件之再循環背光
JP5290279B2 (ja) * 2007-05-29 2013-09-18 コーニンクレッカ フィリップス エレクトロニクス エヌ ヴィ 照明システム、照明器具及びバックライティングユニット
WO2009105450A1 (en) * 2008-02-22 2009-08-27 3M Innovative Properties Company Backlights having selected output light flux distributions and display systems using same
EP2297607B1 (en) * 2008-06-04 2014-04-23 3M Innovative Properties Company Hollow backlight with tilted light source
CN102149966B (zh) * 2008-09-12 2014-03-12 皇家飞利浦电子股份有限公司 照明器和光照系统
KR101039957B1 (ko) * 2008-11-18 2011-06-09 엘지이노텍 주식회사 발광 장치 및 이를 구비한 디스플레이 장치
JP2011129465A (ja) * 2009-12-21 2011-06-30 Sony Corp バックライト、および液晶表示装置
JP5406225B2 (ja) * 2010-12-06 2014-02-05 エルジー イノテック カンパニー リミテッド バックライトユニット
TWI569069B (zh) * 2011-04-04 2017-02-01 Ｌｇ伊諾特股份有限公司 背光單元及其顯示設備

Also Published As

Publication number Publication date
TW201326676A (zh) 2013-07-01
US9322527B2 (en) 2016-04-26
KR101943446B1 (ko) 2019-01-30
TWI582351B (zh) 2017-05-11
KR20130070860A (ko) 2013-06-28
JP2013131499A (ja) 2013-07-04
EP2607780A1 (en) 2013-06-26
CN103175030A (zh) 2013-06-26
CN103175030B (zh) 2017-10-03
US20130155676A1 (en) 2013-06-20

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